Phosphorus trioxide

CAS Registry Number:

1314-24-5

Synonyms:

Diphosphorus trioxide;Phosphorus trioxide;phosphorous anhydride

Molecular Formula:

O₃P₂

Molecular Weight:

110.0

EINECS:

Melting Point:

23.8°

Solubility:

slowly forms H3PO3 in cold H2O; reacts violently in hot H2O forming red P, PH3, and H3PO4 [MER06]